Multiple choice technology databases

To retrieve data from more than one table we could use

  1. Joins

  2. Unions

  3. Nested SELECT

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To combine or retrieve data from multiple tables, SQL provides Joins (combining columns), Unions (combining rows), and Nested SELECT subqueries. Therefore, all of these options are valid methods.